<script>
  haystack     = new Array()
  haystack[4]  = "Needle"
  haystack[11] = "Needle"
  haystack[17] = "Needle"

  for (j = 0 ; j < 20 ; ++j)
  {
    if (haystack[j] == "Needle")
    {
      document.write("<br>- Found at location " + j + "<br>")
      continue
    }

    document.write(j + ", ")
  }
</script>